IsoFreeze PCR Tube Chillers, Purple/Pink Indicator, 2 per Package

IsoFreeze chilling racks provide a stable low temperature environment for PCR samples, cells, enzymes and other heat sensitive reagents. Gel filled racks maintain a sample temperature of less than 4°C for up to four hours (with lid on rack) when at room temperature. Unique color change plastic indicates temperature at a glance. IsoFreeze color change racks have a dramatic change to a contrasting color at 7°C. Popular 96-well format can accommodate all 0.2ml and 0.1ml tubes, tube strips or plates. Lid included.